problem
Favourite
Vector journeys
Charlie likes to go for walks around a square park, while Alison likes to cut across diagonally. Can you find relationships between the vectors they walk along?
problem
Favourite
Exploring cubic functions
Quadratic graphs are very familiar, but what patterns can you explore with cubics?
problem
Favourite
Back fitter
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?
problem
Favourite
Root hunter
In this short problem, try to find the location of the roots of
some unusual functions by finding where they change sign.
problem
Polite Numbers
A polite number can be written as the sum of two or more consecutive positive integers, for example 8+9+10=27 is a polite number. Can you find some more polite, and impolite, numbers?